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2026-08-08 - 16:25
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sat Aug 08, 2026 12:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6516212866,8sleep10-21swapper/107:07:101
64262125113,8sleep30-21swapper/307:05:593
64972121112,6sleep20-21swapper/207:06:552
66292114104,7sleep00-21swapper/007:08:370
195621020,1sleep30-21swapper/311:39:383
111332850,0sleep211132-21ssh11:42:422
49392720,1sleep24944-21unixbench_singl07:30:262
243992660,0sleep30-21swapper/311:20:203
247402640,0sleep10-21swapper/110:10:121
192082620,0sleep10-21swapper/109:25:141
20792600,0sleep20-21swapper/208:55:192
31022570,0sleep30-21swapper/308:00:183
309132570,0sleep10-21swapper/109:57:391
41212560,0sleep30-21swapper/309:45:193
259802560,1sleep30-21swapper/312:03:543
295502550,0sleep20-21swapper/211:22:032
114692540,1sleep011471-21kthreadcore09:35:180
692699290,28cyclictest0-21swapper/110:57:171
692699290,28cyclictest0-21swapper/110:53:471
692899280,27cyclictest0-21swapper/209:59:262
692699280,27cyclictest0-21swapper/110:28:081
692699270,26cyclictest0-21swapper/112:39:461
692699270,26cyclictest0-21swapper/112:12:271
692699270,26cyclictest0-21swapper/108:50:301
692699270,26cyclictest0-21swapper/107:58:251
692699270,26cyclictest0-21swapper/107:34:071
692199270,26cyclictest0-21swapper/012:29:480
692199270,26cyclictest0-21swapper/009:45:000
692199270,26cyclictest0-21swapper/008:45:540
2404422721,3sleep30-21swapper/309:12:153
692899261,24cyclictest0-21swapper/210:03:552
692899260,24cyclictest0-21swapper/211:05:132
692699260,25cyclictest0-21swapper/111:25:481
692699260,25cyclictest0-21swapper/108:37:181
692199260,25cyclictest0-21swapper/012:33:000
6928992521,3cyclictest0-21swapper/212:15:182
692899250,24cyclictest0-21swapper/209:26:042
692899250,24cyclictest0-21swapper/209:16:102
6926992523,1cyclictest28015-21ssh12:19:091
692699251,3cyclictest0-21swapper/109:11:481
692699250,24cyclictest0-21swapper/109:41:051
692699250,24cyclictest0-21swapper/108:34:251
692699250,18cyclictest0-21swapper/111:55:071
692199250,24cyclictest0-21swapper/011:45:230
2997922522,2sleep30-21swapper/308:21:293
6928992422,2cyclictest0-21swapper/209:39:482
692899240,23cyclictest0-21swapper/211:37:172
692899240,23cyclictest0-21swapper/211:03:222
692899240,18cyclictest0-21swapper/210:05:272
692699244,8cyclictest29088-21/usr/sbin/munin12:05:181
692699243,15cyclictest17116-21ssh09:50:591
692699241,4cyclictest0-21swapper/110:46:131
6926992414,3cyclictest0-21swapper/110:16:461
692699241,22cyclictest0-21swapper/112:04:541
692699240,23cyclictest0-21swapper/111:47:301
692699240,23cyclictest0-21swapper/109:38:401
692699240,18cyclictest0-21swapper/111:09:051
692699240,18cyclictest0-21swapper/109:31:111
692199240,23cyclictest0-21swapper/010:36:540
692199240,23cyclictest0-21swapper/009:14:480
2441622421,2sleep30-21swapper/308:17:203
692899232,20cyclictest0-21swapper/210:10:192
6928992316,6cyclictest0-21swapper/212:35:182
6928992316,6cyclictest0-21swapper/211:58:022
692899231,21cyclictest0-21swapper/212:01:102
692899231,21cyclictest0-21swapper/209:01:222
692899231,20cyclictest8571-21ssh11:27:092
692899230,22cyclictest0-21swapper/212:29:592
692899230,22cyclictest0-21swapper/211:50:422
692899230,22cyclictest0-21swapper/211:13:402
692899230,22cyclictest0-21swapper/210:50:212
692899230,22cyclictest0-21swapper/210:47:442
692899230,22cyclictest0-21swapper/209:11:552
692699238,14cyclictest0-21swapper/111:32:551
692699234,15cyclictest24992-21sshd10:37:391
692699232,14cyclictest0-21swapper/111:42:011
692699231,16cyclictest0-21swapper/110:20:111
692699230,22cyclictest0-21swapper/111:35:501
692699230,22cyclictest0-21swapper/110:43:571
692699230,17cyclictest0-21swapper/110:06:561
692699230,17cyclictest0-21swapper/110:01:261
6921992314,8cyclictest0-21swapper/011:53:400
6921992314,8cyclictest0-21swapper/010:22:050
692199230,22cyclictest0-21swapper/012:07:410
692199230,22cyclictest0-21swapper/012:03:470
692199230,22cyclictest0-21swapper/011:06:170
692199230,22cyclictest0-21swapper/010:30:430
692199230,22cyclictest0-21swapper/009:59:250
692199230,17cyclictest0-21swapper/011:04:440
692199230,17cyclictest0-21swapper/010:54:050
1261522320,2sleep30-21swapper/307:13:133
692899226,15cyclictest0-21swapper/211:31:202
692899223,18cyclictest0-21swapper/210:32:202
692899222,14cyclictest0-21swapper/212:12:372
692899221,20cyclictest0-21swapper/212:32:352
692899221,20cyclictest0-21swapper/211:47:532
692899220,21cyclictest0-21swapper/212:06:272
692899220,21cyclictest0-21swapper/211:17:172
692899220,21cyclictest0-21swapper/210:36:242
692899220,21cyclictest0-21swapper/210:28:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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